Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
28
Quantum Mechanics of Atoms
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28-2: Wave Function, Double-Slit
28-3: Uncertainty Principle
28-6 to 28-8: Quantum Numbers, Exclusion Principle
28-9: X-Rays
28-11: Lasers

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 40
Q

A mixture of iron and an unknown material is bombarded with electrons. The wavelengths of the KαK_\alpha lines are 194 pm for iron and 229 pm for the unknown. What is the unknown material?

A
Chromium
Giancoli 7th Edition, Chapter 28, Problem 40 solution video poster
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